Emerson A6500-LC Operating Manual
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Emerson A6500-LC Operating Manual

Emerson A6500-LC Operating Manual

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Operating Manual
MHM-97878 , Rev 2.02
September 2022
™
Machinery Health
Sensor
A6500-LC, LVDT Converter

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Summary of Contents for Emerson A6500-LC

  • Page 1 Operating Manual MHM-97878 , Rev 2.02 September 2022 ™ Machinery Health Sensor A6500-LC, LVDT Converter...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of Emerson. The information in this manual is not all-inclusive and cannot cover all unique situations.

  • Page 3: Table Of Contents

    Chapter 7 Replacement of a defective sensor or A6500-LC............41 7.1 Replace a defective sensor connected to a A6500-LC with fixed sensitivity........41 7.2 Replace a defective A6500-LC with fixed sensitivity................ 41 7.3 Replacement of a factory calibrated A6500-LC and sensor ............. 42...
  • Page 4 Contents Operating Manual September 2022 MHM-97878 Chapter 8 Technical data......................43 8.1 Supply............................43 8.2 Measuring range and sensitivity..................... 43 8.3 Accuracy ............................44 8.4 Signal output..........................44 8.5 Channel supervision........................45 8.6 Mechanical design and environmental conditions................45 Chapter 9 Certificates........................47 Index ............................

  • Page 5: Chapter 1 General

    September 2022 General Using this manual This manual contains information concerning the proper and correct use of the A6500-LC inductive converter. For correct and safe use of this device the operating manual must have been read completely prior to starting installation and operating of the device. In particular, all safety instructions contained in the manual must be complied with.

  • Page 6: Liability And Guarantee

    Liability and guarantee Emerson is not liable for damages that occur due to improper use. Proper use also includes the knowledge of, and compliance with, this document. Customer changes to the device that have not been expressly approved by Emerson will result in the loss of guarantee.

  • Page 7: Storage And Transport

    General MHM-97878 September 2022 Guardian.GSC@Emerson.com Email http://www.emerson.com/en-us/contact-us To search for documentation, visit http://www.emerson.com. To view toll free numbers for specific countries, visit http://www.emersonprocess.com/ technicalsupport. Note If the equipment has been exposed to a hazardous substance, a Material Safety Data Sheet (MSDS) must be included with the returned materials.

  • Page 8: Installation Awareness

    General Operating Manual September 2022 MHM-97878 Circling arrow symbol with a number: This product contains certain hazardous substances over the Maximum Concentration Value and it can be used safely under normal operating conditions for the number of years indicated in the symbol. The names and contents of hazardous substances can be found in the folder "China RoHS Compliance Certificates"...

  • Page 9: Chapter 2 Safety Instructions

    Operating Manual Safety Instructions MHM-97878 September 2022 Safety Instructions To ensure safe operation, carefully observe all instructions in this manual. The correct and safe use of this device requires that operating and service personnel both understand and comply with general safety guidelines and observe the special safety comments listed in this manual.

  • Page 10: Esd Safety

    Safety Instructions Operating Manual September 2022 MHM-97878 ESD safety DANGER Internal components can be damaged or destroyed due to electrostatic discharge (ESD) during the handling of the device. Take suitable precautions before handling the device to prevent electrostatic discharges through the sensor electronics. Such measures might include, for example, wearing an ESD bracelet.

  • Page 11: Application And Design

    The sensor supply voltage, supply current, and the sensor signal are supervised by the internal supervision function. Design The A6500-LC LVDT Converter is enclosed in a housing with a DIN rail clip. All input and output signals as well as the power supply are connected by screw terminals. Figure 3-1 shows the front view, connections, and the setting elements.
  • Page 12 The converter output voltage is within the working range of the sensor. The output voltage is not set to <1.5 V even if one of the supervised values is without the OK limits. Figure 3-2 shows the side view of the A6500-LC LVDT Converter. MHM-97878, Rev. 2.02...
  • Page 13 B. Signal out connector C. DIN rail clip D. Type label E. Sensor connectors Factory calibrated A6500-LC converters have an additional label located above the type label. This label (see Figure 3-3) shows the sensor type and serial number of the sensor adjusted to the A6500-LC.
  • Page 14 Application and Design Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...

  • Page 15: Mounting And Installation

    CSA - Conditions of Acceptability CAUTION The A6500-LC LVDT Converter may only be operated with devices that are supplied with safety low voltage. For this reason, a power supply unit according to EN/IEC 60950-1 or EN/IEC 61010-1 is required. In addition, care should be exercised in the physical installation of the A6500-LC.
  • Page 16 Mounting and Installation Operating Manual September 2022 MHM-97878 Figure 4-1: Required mounting space The converter is equipped with a built-in spring DIN rail clip for mounting rails of type NS 35/7.5. The minimum required mounting space on a DIN rail is equal to the converter width of 20 mm.

  • Page 17: Connections And Wiring

    B. DIN rail typ NS 35/7.5 Connections and wiring The A6500-LC LVDT Converter is equipped with eight screw terminals for supply voltage connection, sensor connection, and output signal connection. The minimum and maximum permissible wire cross-section of the screw terminals is as shown in Table 4-1.

  • Page 18: Voltage Supply Connection

    4.3.1 Voltage supply connection The A6500-LC LVDT Converter requires a +24 V DC voltage supply. The screw terminals for the supply voltage connections are terminal 1 for "+24 V DC" and terminal 2 for "Supply ground (GND)". The converter is generally supplied by the A6500-UM Universal Measurement Card installed into one A6500-xR System Rack slot (A6500-SR or A6500-RR).

  • Page 19: Sensor Connection

    MHM-97878 September 2022 Connect the supply voltage terminals to the respective A6500-xR System Rack terminals of the AMS 6500 ATG system. If the A6500-LC shall be connected to channel 1 of the A6500-UM card see row 1 in Table 4-3. For connection to channel 2 see row 2.
  • Page 20 Connection to field housing cable shield Connect the sensor cable according to the wire color assignment in Sensor connection the A6500-LC converter. Connect the sensor cable shield at the field housing inlet to ground. Figure 4-4 shows a corresponding connection example.
  • Page 21 This section describes the connection of linear variable differential transformers (LVDTs) as PR 9314/41. Table 4-5 shows the assignment of the sensor cable wire colors to the sensor connection terminals of the A6500-LC. Table 4-5: PR 9314/41 cable wire color assignment Sensor connection terminals - A6500-LC PR 9314/41 wire colors...
  • Page 22 Connect the sensor cable according to the wire color assignment in Table 4-5 to the A6500-LC converter. Connect the sensor cable shield at the field housing inlet to ground. Figure 4-5 shows a corresponding connection example. MHM-97878, Rev. 2.02...

  • Page 23: Output Signal Connection

    Operating Manual Mounting and Installation MHM-97878 September 2022 Figure 4-5: PR 9314/41 sensor connection 4.3.3 Output signal connection The screw terminals of the output signal connection is terminal 3 for the "Output signal" and terminal 4 for the "Signal ground (GND)". Table 4-6 shows the A6500-xR System Rack terminals to connect the output signal to the A6500-UM Universal Measurement Card channels.
  • Page 24 = Slot number of the backplane Connect the output signal to the respective A6500-xR terminals of the AMS 6500 ATG system. If the output signal of the A6500-LC shall be connected to channel 1 of the A6500- UM card see row 1 in Table 4-6.

  • Page 25: Commissioning

    A6500-UM Universal Measurement Card. All types of the PR 9350/xx sensor and K20 315/xx can be connected to converters with fixed sensitivity. The output voltage range of the A6500-LC depends on the connected sensor type as shown in Table 4-7.
  • Page 26 Operating Manual September 2022 MHM-97878 3. Connect a DC voltmeter to the signal output terminals of the A6500-LC converter. 4. For adjusting the center of the measuring range remove the tracing pin from the sensor. For detailed information regarding the sensor refer to the sensor manual.

  • Page 27: Commission Of A Factory Calibrated A6500-Lc Converter

    Figure 4-7: Example: Output voltage range depending on PR 9350/02 10. Mount the sensor in accordance to the current measuring object position (for example: machine housing position). 4.4.2 Commission of a factory calibrated A6500-LC converter Prerequisites • Screw driver for cable terminals...

  • Page 28: Lvdt Sensor Adjustment

    3. Mount the sensor in accordance to the current measuring object position (machine position). 4.4.3 LVDT sensor adjustment If a LVDT, for example a PR 9314/41, must be connected to the A6500-LC LVDT Converter follow the steps below. Prerequisites •...
  • Page 29 Operating Manual Mounting and Installation MHM-97878 September 2022 Figure 4-8: Starting points for opening the housing 2. Cut the wire bridge for enabling LVDT sensor operation with the wire cutter. See Figure 4-9, element A for position. Figure 4-9: Wire bridge position a.
  • Page 30 Mounting and Installation Operating Manual September 2022 MHM-97878 Postrequisites Continue the commissioning as described in Commissioning of A6500-LCs with fixed sensitivity. MHM-97878, Rev. 2.02...

  • Page 31: Chapter 5 Channel Supervision

    2.2 V Note If third party sensors are connected whose sensor signal voltage range doesn't meets the Channel OK requirements of the A6500-LC, then the Channel OK supervision can be permanently disabled. Permanently Channel OK supervision disabling You need the listed equipment: •...
  • Page 32 Channel supervision Operating Manual September 2022 MHM-97878 Figure 5-1: Starting points for opening the housing 2. Cut the wire bridge for permanently disabling the Channel OK supervision with the wire cutter. See Figure 5-2, element A for position. Figure 5-2: Position Channel OK disabling wire bridge A.
  • Page 33 Operating Manual Channel supervision MHM-97878 September 2022 CNOK and COK Response time • CNOK (Channel not OK) response time: The CNOK response time is the time between the detection of an error and the generation of the CNOK state. The CNOK response time is 10 ms.
  • Page 34 Channel supervision Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...

  • Page 35: Chapter 6 Function Check

    MHM-97878 September 2022 Function check This chapter describes the function check of A6500-LC converters with a fixed sensitivity and for a factory calibrated converters. The converter does not require scheduled maintenance. So, periodic checks are not necessary. Perform a function check on the converter to help determine the cause of unexpected measuring values or strange behavior.
  • Page 36 Function check Operating Manual September 2022 MHM-97878 Figure 6-1: Output voltage depending on PR 9350/01 measuring range Figure 6-2: Output voltage depending on PR 9350/02 and PR 9350/04 measuring range MHM-97878, Rev. 2.02...
  • Page 37 Operating Manual Function check MHM-97878 September 2022 Figure 6-3: Output voltage depending on PR 9350/06 and PR 9350/08 measuring range Figure 6-4: Output voltage depending on PR 9350/12 measuring range MHM-97878, Rev. 2.02...

  • Page 38: Function Check Of Factory Calibrated A6500-Lcs

    Function check Operating Manual September 2022 MHM-97878 Figure 6-5: Output voltage depending on PR 9314/41 measuring range Function check of factory calibrated A6500-LCs Prerequisites The below listed equipment is required for the function check of factory calibrated A6500- LCs. • Standard multimeter with suitable measuring cables for measuring the converter voltages •...
  • Page 39 Operating Manual Function check MHM-97878 September 2022 • Sensor or converter of the calibrated measuring chain has been interchanged - so they are not calibrated. Check if the type description and serial number of the connected sensor is on the converter type label. •...
  • Page 40 Function check Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...

  • Page 41: Replacement Of A Defective Sensor Or A6500-Lc

    Ruler or an equivalent measuring tool for defined passing through the sensor measuring range Procedure 1. Disconnect the sensor form the A6500-LC by opening the screw terminals 5 to 8. 2. Remove the defective sensor from the machine. 3. Mount the new sensor on the machine.

  • Page 42: Replacement Of A Factory Calibrated A6500-Lc And Sensor

    • Screw driver for cable terminals The sensor and converter parts of the measurement chain are calibrated together. For measurement accuracy, Emerson recommends replacing the entire measuring chain even if only one part is defective. Procedure 1. Disconnect all wiring from the converter.

  • Page 43: Technical Data

    Operating Manual Technical data MHM-97878 September 2022 Technical data Only specifications with indicated tolerances or limit values are binding. Data without tolerances or without error limits are informative data and not guaranteed. Technology is under constant development, and specifications are subject to change without notice. If not otherwise specified , all data are referred to an environmental temperature of +25°C.

  • Page 44: Accuracy

    Technical data Operating Manual September 2022 MHM-97878 approximately 10.4 V / 4.8 to with PR 9350/06 15.2 V approximately 11.0 V / 4.5 to with PR 9350/08 15.5 V approximately 12.2 V / 3.9 to with PR 9350/12 16.1 V approximately 3.2 V / 8.4 to with PR 9314/41 11.6 V...

  • Page 45: Channel Supervision

    Operating Manual Technical data MHM-97878 September 2022 Resistance approximately 100 Ω Overvoltage protection <60 V Use SELV/PELV power supply Switch on time approximately 200 ms Frequency range 0 to 10 Hz -3dB Channel supervision range sensor supply approximately 1.9 to 2.4 V when the sensor supply voltage voltage is within the range.
  • Page 46 Technical data Operating Manual September 2022 MHM-97878 Environmental conditions Protection class IP20 according to IEC 60529 Allowed degree of pollution Category 2 according to IEC 61010-1 Operating temperature -35°C to +75°C Storage temperature -35°C to +85°C Relative humidity 5 to 95% non-condensing Shock 15 g...

  • Page 47: Chapter 9 Certificates

    Operating Manual Certificates MHM-97878 September 2022 Certificates MHM-97878, Rev. 2.02...
  • Page 48 Certificates Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...
  • Page 49 Operating Manual Certificates MHM-97878 September 2022 MHM-97878, Rev. 2.02...
  • Page 50 Certificates Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...

  • Page 51: Index

    Operating Manual Index MHM-97878 September 2022 Index A6500-UM 11, 18, Wiring A6500-xR 19, Cable Commissioning Connection Front view Inductive half-bridge 11, 19, LVDT 11, 21, Mounting Mounting rail Output signal Sensor connection Side view Technical support Voltage supply MHM-97878, Rev. 2.02...
  • Page 52 Index Operating Manual September 2022 MHM-97878 MHM-97878, Rev. 2.02...
  • Page 53 Operating Manual MHM-97878 September 2022 MHM-97878, Rev. 2.02...
  • Page 54 The Emerson logo is a trademark and service mark of Emerson Electric Co. The AMS logo is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.

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